ch101.h File Reference

Internal definitions for the Chirp CH101 ultrasonic sensor. More...

Go to the source code of this file.

Macros
#define	CH101_BANDWIDTH_INDEX_1   6
#define	CH101_BANDWIDTH_INDEX_2    (CH101_BANDWIDTH_INDEX_1 + 1)
#define	CH101_DATA_MEM_ADDR   0x0200
#define	CH101_DATA_MEM_SIZE   0x800
#define	CH101_DCO_HIGH   (250)
#define	CH101_DCO_LOW   (100)
#define	CH101_DCO_SEARCH_THRESHOLD   (100)
#define	CH101_FW_SIZE   CH101_PROG_MEM_SIZE
#define	CH101_MAX_TICK_INTERVAL   128
#define	CH101_PROG_MEM_ADDR   0xF800
#define	CH101_PROG_MEM_SIZE   0x800
#define	CH101_REVDRIVE_DEFAULT   (2)
#define	CH101_SCALEFACTOR_INDEX   4

Detailed Description

Internal definitions for the Chirp CH101 ultrasonic sensor.

This file contains various hardware-defined values for the CH101 sensor.

You should not need to edit this file or call the driver functions directly. Doing so will reduce your ability to benefit from future enhancements and releases from Chirp.

Macro Definition Documentation

CH101_BANDWIDTH_INDEX_1

#define CH101_BANDWIDTH_INDEX_1   6

Index of first sample to use for calculating bandwidth.

CH101_BANDWIDTH_INDEX_2

#define CH101_BANDWIDTH_INDEX_2    (CH101_BANDWIDTH_INDEX_1 + 1)

Index of second sample to use for calculating bandwidth.

CH101_SCALEFACTOR_INDEX

#define CH101_SCALEFACTOR_INDEX   4

Index for calculating scale factor.